Costco Wholesale Corp (NASDAQ:COST) stock is down 4.9% to trade at $206.63 at last glance, after the retailer reported worse-than-expected profits for the second quarter due to rising merchandising costs. Revenue beat estimates, however, and the equity still attracted no fewer than five price-target hikes, including one from Jefferies to $1,180 from $1,145. 

Despite today's negative price action, COST sports a 26.7% year-over-year lead. Shares have pulled back from their Feb, 13, record high of $1,078,23, and are today breaching a recent floor at the $1,020 level as they gap below their 120-day moving average. If losses hold, today could mark Costco Wholesale stock's worst day since March.

The options pits are chiming in, with 13,000 calls and 20,000 puts across the tape so far today, which is 6 times the volume typically seen at this point. Most popular is the weekly 3/7 1,020 call, where new positions are being sold to open. These contracts will expire at the close.

At the International Securities Exchange (ISE), Cboe Options Exchange (CBOE), and NASDAQ OMX PHLX (PHLX), COST sports 50-day call/put volume ratio ratio of 1.19 that sits higher than 94% of annuals readings. This means options traders leaned bullish in the last 10 weeks.

Deutsche Bank just initiated bullish coverage on Union Pacific Corp (NYSE:UNP), giving the railroad operator a "buy" rating and a $295 price target, which suggests a 20% upside from its last close. The firm highlighted Union Pacific’s strong financial performance, citing an operating profit margin of 40.1% and a return on invested capital of 15.8% over the past year as key indicators of its growth potential and industry leadership.

Last seen fractionally higher at $245.82, UNP maintains a 7.6% year-to-date gain. The stock has seen choppy trading for much of the year, but strong technical support at the $240 level and its 50-day moving average has helped maintain stability since late January.

There's room for more analysts to jump on the bullish bandwagon. Of the 25 in coverage, 10 still recommend a "hold" or worse rating. Short-term option traders, meanwhile, are leaning bullish, with the equity's Schaeffer's put/call open interest ratio (ROI) of 0.59 standing higher than just 21% of readings from the past 12 months.

Semiconductor giant Marvell Technology Inc (NASDAQ:MRVL) shared better-than-expected fourth-quarter earnings and revenue earlier, but also issued a lackluster fiscal first-quarter guidance. Below, let's dig into the implications of this update on both the equity and its sector peers, Texas Instruments Inc (NASDAQ:TXN) and Micron Technology Inc (NASDAQ:MU).

MRVL Attracts Bear Notes

MRVL is up 17.8% at $74.11 at last glance, looking to extend its 33.8% year-to-date deficit with its biggest single-day percentage loss since January. Shares are trading at their lowest level since October as they break below the 200-day moving average, with several analysts chiming in with bear notes. No fewer than 11 firms slashed their price objectives, including Morgan Stanley to $90 from $113.

TXN Pacing for Weekly Drop

Last seen down 3.5% to trade at $188.76, TXN is well on its way to a weekly loss. The stock still sports a 10.6% year-over-year lead as it extends a pullback from a February peak above $205 -- their highest mark since November. Shares are today testing their 20-day moving average, which emerged as a support level last month.

MU Eyes 3rd-Straight Loss

MU is down 4.6% to trade at $90 at last check, pacing for its third-straight weekly loss. The security carries a 30.7% nine-month deficit, but a floor at the $87.50 level that contained several pullbacks so far this year, lingers below.

The Dow Jones Industrial Average (DJI) and Nasdaq Composite (IXIC) are both down triple digits this afternoon, with the S&P 500 Index (SPX) trailing behind as well. This downbeat sentiment comes despite the White House suggesting one-month tariff exemptions beyond the auto sector would be likely. In addition to the latest jobs data, investors are sifting through the Federal Reserve's Beige Book as well as the Institute for Supply Management’s (ISM) manufacturing index, both which point toward fears of higher input costs due to tariffs.

Continue reading for more on today's market, including: 

• Zscaler's beat-and-raise attracts bull notes.
• Weak guidance pressures MongoDB stock.
• Plus, options traders swarm CORZ; Mosaic stock extends bounce; and VSTR's pullback.

Core Scientific Inc(NASDAQ:CORZ) stock is getting blasted in the options pits today, with 109,000 calls and 57,000 puts exchanged so far, or 5 times the volume typically seen at this point. The most popular contract is the weekly 3/7 9.50-strike call, where positions are being opened. CORZ was last seen down 10.4% at $8.60, and earlier slipped to its lowest level since August after Microsoft (MSFT) withdrew some of its commitment to Coreweave. Core Scientific is planning a $1.2 billion data center expansion with the latter. Shares still sport a 118% year-over-year lead, however.

Tech stock Mosaic Co (NYSE:MOS) is leading the SPX today, last seen up 4.2% to trade at $24.92, rising alongside fertilizer peers as the sector looks likely to benefit from the tariff reprieve. The equity is extending a bounce off its March 4, four-year low of $22.49. Today's pop has MOS swinging to the positive side of its year-to-date breakeven level, but it still carries a 20.9% year-to-date deficit.

Vistra Corp (NYSE:VST) is at the bottom of the SPX, down 5.1% to trade at $120.35 at last glance, though a catalyst for today's negative price action remains unclear. Shares still boast a 97.4% year-over-year lead, while long-term support at the 200-day moving average looks poised to contain this pullback. The equity has a strong start to 2025, securing a Jan. 23, record high of $199.84 before gapping lower.

Retail stock Macy's Inc (NYSE:M) is down 1.9% at 13.05, earlier hitting a 52-week low of $12.60. The company reported mixed fourth-quarter results, including better-than-expected earnings alongside a revenue miss, but investors are focusing in on the disappointing full-year guidance. Notably, CEO Tony Spring's turnaround efforts appear to be taking shape, however, with comparable sales up 0.2% -- the highest since the first quarter of 2022. 

On the charts, the $16 level has been keeping rallies in check since early January. Should today's losses hold, M will only have closed one positive session since the stock was rejected there on Feb. 20. Year over year, the equity is down 33%. 

Analysts have yet to chime in, but over in the options pits, 19,000 calls and 11,000 puts have been exchanged, which is five times the overall options volume typically seen at this point. The weekly 3/7 13.50-strike call is the most popular, with new positions being opened there. 

Calls were more popular than usual over the past 10 weeks, too. M's 50-day call/put volume ratio of 3.82 at the International Securities Exchange (ISE), Cboe Options Exchange (CBOE), and NASDAQ OMX PHLX (PHLX) ranks higher than 92% of readings from the past year. 

Zscaler Inc (NASDAQ:ZS) stock is up 5.2% to trade at $206.63 at last check, after the cloud company shared better-than-expected results for its fiscal second quarter and lifted its full-year outlook. Analysts are chiming in, with Rosenblatt Securities upgrading the stock to "buy" from "neutral," and raising its price target to $235 from $190. Another 11 firms lifted their price objectives as well.

Coming into today, 12 of the 39 firms in coverage called ZS a "hold" or worse, indicating there's still room for upgrades. The security also looks ripe for a short squeeze, with short interest up 28.4% over the last two reporting periods, making up 6.1% of its available float.

ZS is today pacing for its third-straight daily gain and looking to add to its 25% six-month lead. Shares could conquer overhead pressure at their 60-day moving average as they stage a bounce off the $185 level, which acted as resistance for most of January.

At the International Securities Exchange (ISE), Cboe Options Exchange (CBOE), and NASDAQ OMX PHLX (PHLX), ZS sports 50-day call/put volume ratio ratio of 2.99 that ranks higher than 96% of annuals readings. This suggests a strong bullish bias in the options pits.

Straight out of the gate, 18,000 calls and 11,000 puts have exchanged hands, 5 times the intraday average volume. Positions are being sold to open at most popular contract, the weekly 3/7 210-strike call.

Shares of MongoDB Inc (NASDAQ:MDB) were last seen down 23.5% at $202.19, after the database software company issued weaker-than-expected guidance for fiscal 2026. While fourth-quarter adjusted earnings topped analyst expectations, the company’s outlook for the year ahead fell short, now projecting adjusted EPS between $2.44 and $2.62, well below the $3.38 per share analysts had forecasted. Revenue projections also missed expectations, with MongoDB guiding for $2.24 billion to $2.28 billion, under the $2.32 billion consensus estimate.

The stock is now trading at its lowest level since April 2023 and is on track for its biggest single-day percentage drop since May 2024. Year-to-date, MDB has shed 12%, while its 50% year-over-year decline reflects mounting pressure from short- and long-term moving averages.

In response, Keybanc downgraded the stock to "sector weight" from "overweight," while at least 16 analysts slashed their price targets, including Scotiabank to $240. More price target cuts and downgrades could follow, given that the 12-month average price target of $364.09 still represents an 80% premium to MongoDB's current level, and 27 analysts maintain a "buy" or better rating.

Options traders are also piling on, with 14,000 calls and 22,000 puts already exchanged -- 18 times the stock’s average daily options volume. The March 210 put is seeing the most activity, while new positions are opening at the June 170 put, signaling bearish sentiment in the near term.