Calix shares are down $2.42, or 8%, to $27.12 in after-hours trading. Published first on TheFly – the ultimate source for real-time, market-moving breaking financial news. Try Now>> See the top stocks recommended by analysts >> Read More on CALX: Options Volatility and Implied Earnings Moves Today, April 22, 2024 CALX Earnings this Week: How Will it Perform? Cytokinetics to replace Calix in S&P 400 at open on 3/18 Calix to replace Cytokinetics in S&P 600 at open on 3/18