Market Braces For Warsh Speech; Marvell, Affirm, PayPal Big Movers

Federal Reserve Chair Kevin Warsh's first Jackson Hole keynote speech left investors with ruffled feathers Friday as he signaled elevated inflation will be in sharp focus at the central bank's next meeting. Elastic (ESTC), a database software provider, bucked broader weakness and soared on the stock market today. The Nasdaq composite paced losses among major indexes by falling 0.5%.