GameStop stock rallies, after soaring more than 550% amid a 3-week win streak through Friday

Shares of GameStop Corp.
GME,
+1.73%
started the week with a 4.4% gain in premarket trading Monday, after soaring 92.0% last week, amid a mostly positive day for meme stocks despite a mixed outlook for the broader stock market. GameStop’s stock is getting an early start for a possible fourth-straight weekly gain, after rocketing 551.6% over the past three weeks, after tumbling 87.5% the three weeks before that. Elsewhere, shares of AMC Entertainment Inc.
AMC,
+8.56%
ran up 9.2% ahead of Monday’s open, after soaring 99.6% amid a four-week win streak through Friday. Among other meme stocks, Koss Corp.’s
KOSS,
+10.55%
surged 8.9% premarket, BlackBerry Ltd.’s
BB,
+10.75%
tacked on 0.8% and Express Inc.’s
EXPR,
+16.84%
was little changed. Meanwhile, futures
YM00,
+0.25%
for the Dow Jones Industrial Average were up 63 points, or 0.2%, while S&P 500
SPX,
+0.10%
futures
ES00,
+0.05%
fell less than 0.1%.