Looking at the universe of stocks we cover at Dividend Channel, on 3/8/17, Brocade Communications Systems, Inc. (BRCD), Cogent Communications Holdings, Inc. (CCOI), and ManTech International Corp (MANT) will all trade ex-dividend for their respective upcoming dividends. Brocade Communications Systems, Inc. will pay its quarterly dividend of $0.055 on 4/4/17, Cogent Communications Holdings, Inc. will pay its quarterly dividend of $0.42 on 3/24/17, and ManTech International Corp will pay its annual dividend of $0.21 on 3/24/17.

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As a percentage of BRCD's recent stock price of $12.36, this dividend works out to approximately 0.44%, so look for shares of Brocade Communications Systems, Inc. to trade 0.44% lower — all else being equal — when BRCD shares open for trading on 3/8/17. Similarly, investors should look for CCOI to open 1.04% lower in price and for MANT to open 0.58% lower, all else being equal.

Below are dividend history charts for BRCD, CCOI, and MANT, showing historical dividends prior to the most recent ones declared.

Brocade Communications Systems, Inc. (BRCD):

BRCD+Dividend+History+Chart

Cogent Communications Holdings, Inc. (CCOI):

CCOI+Dividend+History+Chart

ManTech International Corp (MANT):

MANT+Dividend+History+Chart

In general, dividends are not always predictable, following the ups and downs of company profits over time. Therefore, a good first due diligence step in forming an expectation of annual yield going forward, is looking at the history above, for a sense of stability over time. This can help in judging whether the most recent dividends from these companies are likely to continue. If they do continue, the current estimated yields on annualized basis would be 1.78% for Brocade Communications Systems, Inc., 4.18% for Cogent Communications Holdings, Inc., and 0.58% for ManTech International Corp.

In Monday trading, Brocade Communications Systems, Inc. shares are currently up about 0.1%, Cogent Communications Holdings, Inc. shares are off about 0.4%, and ManTech International Corp shares are down about 0.8% on the day.

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