Looking at the universe of stocks we cover at Dividend Channel, on 8/13/14, Questar Corp. ( STR), AGL Resources Inc. ( GAS), and Otter Tail Corp. ( OTTR) will all trade ex-dividend for their respective upcoming dividends. Questar Corp. will pay its quarterly dividend of $0.19 on 9/8/14, AGL Resources Inc. will pay its quarterly dividend of $0.49 on 9/1/14, and Otter Tail Corp. will pay its quarterly dividend of $0.3025 on 9/10/14.As a percentage of STR's recent stock price of $22.13, this dividend works out to approximately 0.86%, so look for shares of Questar Corp. to trade 0.86% lower — all else being equal — when STR shares open for trading on 8/13/14. Similarly, investors should look for GAS to open 0.95% lower in price and for OTTR to open 1.05% lower, all else being equal. Below are dividend history charts for STR, GAS, and OTTR, showing historical dividends prior to the most recent ones declared. Questar Corp. (STR):
AGL Resources Inc. (GAS):
In Monday trading, Questar Corp. shares are currently up about 0.3%, AGL Resources Inc. shares are up about 0.3%, and Otter Tail Corp. shares are up about 0.7% on the day.