Tech billionaire Jack Dorsey-led Block's shares rose 7% in morning trading on Monday after the payments firm was added to the ...

Index inclusion creates immediate buying pressure as passive funds purchase shares to match the S&P 500 composition.

Block (XYZ) stock surged as much as 8.9% in Monday morning trading after S&P Dow Jones Indices said it will add the Cash App ...

Opendoor Technologies rose 25% in premarket trading after a social media post by Carvana spotter Eric Jackson. Tesla rose ...

Block Incorporation shares saw a surge after joining the Standard and Poor's 500 index. This inclusion prompts index funds to ...

Block shares surge after joining S&P 500, as fintech firm gains institutional traction and bullish forecasts from Wall Street ...

(XYZ) was up 9.1% in pre-market trading, and Heico Corp. Cl A (HEI.A) was up 8.6%.