Stocks are firmly lower midday as Netflix (NFLX) stock's steep post-earnings drop weighs on market sentiment. The tech-heavy Nasdaq Composite (IXIC) is leading losses with an 232-point deficit, while the Dow Jones Industrial Average (DJI) is also down triple digits, falling from last session's record highs. Despite today's underperformance, the S&P 500 Index (SPX) remains near record high territory. 

Options bulls are targeting GoPro Inc (Nasdaq: GPRO) today, after the company unveiled new accessories for the MAX2 360 camera. So far, 70,000 calls have been exchanged -- 17 times the call volume typically seen at this point -- in comparison with 2,882 puts. The weekly 10/24 3-strike call is the most popular, with new positions being bought to open. At last glance, GPRO was up 21.2% at $2.66, climbing back toward its late-September highs that were rejected at that 3-strike. The stock is also seeing notable support at its 40-day moving average. 

Winnebago Industries Inc (NYSE: WGO) stock is up 23.9% at $39.17 at last glance, after the RV manufacturer announced better-than-expected fiscal fourth-quarter earnings and revenue results. Though the shares earlier hit their highest level since March, they're still down roughly 18% year to date. 

Biotech stock Arcturus Therapeutics Holdings Inc (Nasdaq: ARCT) is at the bottom of the Nasdaq today, down 57.2% at $9.91 at last glance, after the company posted disappointing results for its phase 2 study of ARCT-032, an inhaled mRNA therapy for cystic fibrosis (CF). Falling sharply from last session's 52-week high of $24.17, the equity is trading at its lowest levels since April. Year to date, ARCT is down 41.9%. 

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