The S&amp;P 500 Index (SPX) and Nasdaq Composite Index (IXIC) are both higher this afternoon, as Nvidia's (NVDA) outperformance boosts the tech sector. The Dow Jones Industrial Average (DJI), meanwhile, sports a triple-digit midday deficit, after the U.S.' AAA rating was placed on a negative rating watch by Fitch Ratings.
Continue reading for more on today's market, including: 
<ul>
 <li>More on Nvidia stock's record highs. </li>
 <li>Snowflake stock eyeing worst day ever.</li>
 <li>Plus, investor takes bigger stake in Coupang; Nvidia boosts Beamr Imaging stock; and Dollar Tree's earnings blunder.</li>
</ul>

<img src="https://imageproxy.pbkrs.com/https://schaeffers-cdn.s3.amazonaws.com/images/default-source/schaeffers-cdn-images/2023/may/may/midday-market-stats-may-252023.png/query-c2Z2cnNuPTNlZjZhYTA2XzI?x-oss-process=image/auto-orient,1/interlace,1/resize,w_1440,h_1440/quality,q_95/format,jpg" alt="Midday Market Stats May 252023" title="Midday Market Stats May 252023" width="603" height="371" original-src="https://imageproxy.pbkrs.com/https://schaeffers-cdn.s3.amazonaws.com/images/default-source/schaeffers-cdn-images/2023/may/may/midday-market-stats-may-252023.png/query-c2Z2cnNuPTNlZjZhYTA2XzI"/>
Coupang Inc (NYSE:CPNG) is seeing an increase in call activity after investment firm Lord Abbett &amp; Co. increased its stake in the company by 8.9%, though the shares are down 1.7% at $15.46 at last glance. So far, 30,000 bullish bets have exchanged hands -- 16 times the intraday average volume -- with new positions opening at the most popular June 17 call contract. Over the last 12 months, CPNG is more than 17% higher. 
While NVDA is the star of today's show, the company is actually helping Beamr Imaging Ltd (NASDAQ:BMR) stand at the top of the Nasdaq this afternoon. Shares were last seen 157.7% higher at $5.67, after Nvidia announced the release of Video Codec SDK 12.1, with new APIs that will support Beamr Imaging's Content Adaptive Bit Rate (CABR) library. Quarter-to-date, BMR is up nearly 250%.
Conversely, Dollar Tree Inc (NASDAQ:DLTR) is near the bottom of the Nasdaq, after the discount retailer missed first-quarter earnings expectations and cut its full-year profit guidance. Shares were last seen down 14.6% at $132.72, moving below their year-to-date and year-over-year breakeven levels.
<img src="https://imageproxy.pbkrs.com/https://schaeffers-cdn.s3.amazonaws.com/images/default-source/schaeffers-cdn-images/2023/may/may/dltr-chart-may-252023.png/query-c2Z2cnNuPTcyZjZhYTA2XzI?x-oss-process=image/auto-orient,1/interlace,1/resize,w_1440,h_1440/quality,q_95/format,jpg" alt="DLTR Chart May 252023" title="DLTR Chart May 252023" width="594" height="374" original-src="https://imageproxy.pbkrs.com/https://schaeffers-cdn.s3.amazonaws.com/images/default-source/schaeffers-cdn-images/2023/may/may/dltr-chart-may-252023.png/query-c2Z2cnNuPTcyZjZhYTA2XzI"/>

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