Active Stocks in Focus: Cliffs Natural Resources Inc. (NYSE:CLF), Arch Coal Inc. (NYSE:ACI), Vitae Pharmaceuticals, Inc. (NASDAQ:VTAE)

Cliffs Natural Resources Inc. (NYSE:CLF) dropped over 9.4% in last session as recently CEO Allays Concern in excess of Canada Mine, Cliffs Natural Resources Inc. (CLF) rose the most since 2008 following its chief executive officer allayed some concerns around the impact from the possible closing of an unprofitable iron ore mine in Canada. On the other consideration, Cliffs Natural Resources Inc. (NYSE:CLF) begun last trade with a price of $11.23 and throughout the trading session climbed at $11.34. The day-trade ended with a decrease of -9.48% to closed at $10.22. The stock is going forward its fifty-two week low with 46.00% and lagging behind from its 52 week high price with -63.66%. CLF last month stock price volatility remained 12.50%.Arch Coal Inc. (NYSE:ACI) reported a improved than anticipated quarterly revenue, helped by higher average sales price, sending the firm's shares up as much as 7.3% before the bell. The firm reported that its average sales price increased to $19.97 per ton in the third quarter, from $18.93 a year before. Shares of Arch Coal Inc. (NYSE:ACI) opened at $1.91 with 212.28 million outstanding shares and hit to its highest price of $2.09 during the day and finally closed at $2.02 by scoring 4.66%. In the whole session, it traded on volume of 9.86 Million shares, which turned higher than its average volume.Vitae Pharmaceuticals, Inc. (NASDAQ:VTAE) released that underwriters of its previously declared IPO of common stock have exercised in full their option to buy 1,031,250 shares of common stock at the IPO price of $8.00 a share, less underwriting discounts. After giving effect to the over-allotment closing, the aggregate net proceeds to Vitae from the IPO, following underwriting discounts and commissions and estimated offering expenses, was approximately $56M. Vitae Pharmaceuticals, Inc. (NASDAQ:VTAE) stock hit highest price at $13.95, beginning with a price of $12.40 to the closed at 12.35 by a lose of -5.00% with a day range of $12.05-$13.95. The total market capitalization remained 214.5 Million, total volume of 497202 shares held in the session was surprisingly higher than its average volume of 390.26 shares.