Shares of Helios & Matheson Analytics Inc. HMNY, -10.00 soared more than 40% in Friday trading, marking the stock's best single-day performance this year. The stock is the most active on the Nasdaq in Friday's session. Helios & Matheson issued several financial updates in filings during the week, which led to volatility in its stock price. On Friday, the company said it had entered into agreements to exchange shares of common stock for warrants to buy fewer shares, based on a ratio of 0.85 exchange shares per warrant share. Earlier in the week, The company said it had issued $164 million in convertible notes, causing HMNY stock to drop. Shares are down 95% so far this year as the company faces steep losses due to usage of its MoviePass program and the costs of buying movie tickets in conjunction with that service. The S&P 500 SPX, +0.67% has gained 2.3% so far in 2018.