One of the major online trading services provider in the United States – Interactive Brokers Group, Inc. (NASDAQ:IBKR), has just published its key operating metrics for February 2016, with the data showing a decline in trading activity in comparison with strong January levels. The number of daily average revenue trades (DARTs) fell in monthly terms. However, the number of client accounts kept climbing, registering a 1% month-on-month rise. Below are the highlights for February 2016: The number of Daily Average Revenue Trades (DARTs) amounted to 767,000, up 21% from February 2015 and down 8% from January 2016 levels. ... (full story)