As futures point to a mixed Wall Street start, a number of stocks were in play, including Turtle Beach Corporation (NASDAQ:HEAR).
Its shares surged over 67% to US$11.62 in pre-market as it posted record first quarter numbers and a significantly increased 2018 outlook.
Net income in the quarter was up to US$2mln or US$0.16 per share, compared to a net loss of US$9.9mln, or a loss of US$0.81 per share in the same period last year.
Going the other way was Hudson Technologies (NASDAQ:HDSN), which plunged over 15% to US$3.48 before the New York bell, as it posted first quarter revenues of US$42.4mln.
Roku Inc (NASDAQ:ROKU) was another stock in focus in pre-market, with shares up 7.26% to US$38.70.
The audio and video streaming group lost less money than Wall Street had expected, with the loss per share of US$0.07, excluding items against consensus expectations for a loss of US$ 0.15.
Finally, Everspin Technologies (NASDAQ: MRAM) is up 13.21% in pre-market deals to US$8.40, as the firm earlier posted a first quarter EPS (earnings per share) of US$0.09, which was US$0.33 better than the analysts' estimates of US$0.42.
Revenue for the quarter came in at US$14.9mln, which was a big beat against the consensus estimate of US$9.6mln.