CRSR - Why did Corsair Gaming stock jump 10% today? Moving to SmallCap 600

Corsair Gaming (NASDAQ:CRSR) is riding high today, up 10.4% and touching a three-month high, off the news that it's entering the S&P SmallCap 600 Index. It's moving in to replace First Midwest Bancorp (NASDAQ:FMBI), merged today with Old National Bancorp (ONB -2.6%). With a bigger size, the new Old National in turn is moving from the SmallCap 600 to the MidCap 400. Making room for it there is Urban Edge Properties (NYSE:UE), which will bump down to the SmallCap 600 as more representative of the small-cap space. UE is up 6.8% today following its earnings report. The index moves are effective prior to the open on Friday, Feb. 18.

For further details see:

Why did Corsair Gaming stock jump 10% today? Moving to SmallCap 600