08:19 AM EDT, 04/09/2024 (MT Newswires) -- US stock futures were flat in Tuesday's premarket session ahead of a relatively subdued day on the economic calendar as investors looked ahead to inflation data and the Federal Reserve's March meeting minutes slated for release on Wednesday.

The Dow Jones Industrial Average futures were off 0.01%, S&P 500 futures were up 0.07%, and Nasdaq futures were moving 0.15% higher.

The National Federation of Independent Business Small Business Optimism Index, which was released earlier Tuesday, declined for the third straight month in March to 88.5 from 89.4 in February. Forecasters were expecting 88.8, according to Investing.com.

And the American Petroleum Institute's weekly crude oil stock report, an indicator of US petroleum demand, will be released later this afternoon after the market closes.

Oil prices were moving slightly lower, with front-month global benchmarks Brent crude and West Texas Intermediate crude declining 0.03% and 0.14% respectively.

On the winning side, shares of Acrivon Therapeutics ( ACRV ) jumped 81% after it said Tuesday that it signed a $130 Million private placement financing agreement. Laser Photonics' ( LASE ) surged 58% after it said Tuesday that it received an order for its LaserTower COMPACT marking and engraving system from L3Harris Technologies ( LHX ) . And shares of MyMD Pharmaceuticals ( MYMD ) advanced 32%, adding to a 22% gain on Monday.

On the losing side, shares of Vincerx Pharma ( VINC ) plummeted 55%, adding to a 14% loss the previous session. Tilray Brands ( TLRY ) shares tumbled 13% after it reported fiscal Q3 revenue that fell short of analyst forecasts. And shares of Maxeon Solar Technologies ( MAXN ) dropped 12% after it reported preliminary fiscal Q4 revenue and fiscal Q1 guidance late Tuesday that missed Street expectations.