ProShares UltraShort Russell 2000 (NYSEARCA:TWM – Get Free Report) was the recipient of a significant increase in short interest in January. Jane Street Group LLC purchased a new stake in ProShares UltraShort Russell 2000 in the 1st quarter worth approximately $668,000. Get ProShares UltraShort Russell 2000 alerts:ProShares UltraShort Russell 2000 Price PerformanceNYSEARCA TWM remained flat at $28.04 during mid-day trading on Thursday. ProShares UltraShort Russell 2000 has a 12-month low of $26.33 and a 12-month high of $71.27. Further ReadingReceive News & Ratings for ProShares UltraShort Russell 2000 Daily - Enter your email address below to receive a concise daily summary of the latest news and analysts' ratings for ProShares UltraShort Russell 2000 and related companies with MarketBeat.com's FREE daily email newsletter.