Buy shares in these six stocks for a steady and increasing income stream that is much safer than junk bonds and yields much higher than CDs. Once these stocks announce their dividend increases look for their shares to pop.

I live for dividend increases. My investment approach is to find stocks with attractive yields that will grow those dividend payments over time. One strategy that can often give a nice increase to your brokerage account value is to buy REIT shares before they announce a new, higher dividend rate.

A significant portion of the REIT universe announce dividend increases at about the same time each year. On an individual company basis, the announcements happen almost every month of the year. Although these payout increases are very regular, few in the investing public know or track when a new higher dividend announcement is due. A higher dividend rate often results in some additional buying and an increase in the share price. With the information that a dividend increase is pending, you can either buy while shares are low to boost your investment yield or go for a shorter term trade to make a quick profit.

Historically December is an active month for higher dividend announcements. My database includes about 90 REITs that have increased their dividends in the past year. Here are six companies that have a high probability of announcing a new, higher dividend rate in December.

CoreSite Realty Corp (NYSE: COR) is an owner and operator of data center real estate properties. The company currently owns 17 data centers in eight markets that blanket the U.S. from Miami to Boston to Denver to Silicon Valley. Funds from operations (FFO) per share has grown at a 23% annual compound rate over the last three years. In December 2014, the COR dividend was increased by 20% and the payout was increased by 30% in 2013. This is a high growth rate REIT. The dividend announcement should come in the first week of December with an end of the month record date and mid-January pay date. COR yields 3.0%.