Stitch Fix (SFIX) shares plunged 20% in Thursday trading after William Blair downgraded the stock to market perform from outperform and UBS trimmed the price target to $3.50 from $4.

Trading volume stood at over 11.4 million shares, compared with a daily average of over 1.7 million.

Price: 2.25, Change: -0.57, Percent Change: -20.21