A lot depends on how Cuba's communist government reacts to Obama's overtures and how much it opens to Cuban-American visitors and to U.S. travel and telecom companies, business leaders and analysts said.

Companies also want to see the fine print from U.S. agencies on how the new programs will be implemented, since red tape has snarled their Cuba plans before, analysts add.

"Potentially, the news is important for business, but right now, it's abstract," said Jake Colvin, vice president at the National Foreign Trade Council in Washington, D.C., a pro-trade group. "U.S. companies are generally taking a wait-and-see approach."

Click here to read the full article.