The stock of semiconductor maker Micron rose nearly 11 per cent after Renaissance Technology Inc. posted a $5.8 billion profit Thursday.
Micron’s stock rose 8.6 per cent to $5,898.10 in late afternoon trading.
Renaissance Technologies’ shares closed up 4.2 per cent.
The company reported its second straight quarterly profit of $4.3 billion.
Microns shares rose 11.5 per cent Thursday to $7,923.08.