Shake Shack's new sandwich, Carnival cruises to Cuba and Twinkies to go public

After shrugging off Greece yesterday the major U.S. indices (^DJI, ^GSPC, ^IXIC) are sliding today. Greece is meeting with the Eurogroup today, the IMF is warning the Fed about raising rates too soon and Chinese marklets are sliding in a big way as well.

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Here are some of the other stories Yahoo Finance is keeping an eye on today.

Free cars for the poor
Do you want a free car? You don't necessarily have to go to Oprah to get one. California is launching a new pilot program aimed at assisting low income drivers and getting more fuel efficient cars on the road. Assistance is based on a sliding scale, and in the right situation drivers can get cars for free.

Cruising to Cuba
Carnival (CCL) has announced it plans to launch educational tours to Cuba in May of next year. While leisure travel to Cuba is still banned, traveling for educational activities is not. The cruises will leave from Miami.

Shake Shack downgraded as new sandwich is released
Lots of news coming out of Shake Shack (SHAK) today. First the company was downgraded by Morgan Stanley (MS) which sent the stock tumbling as much as 10%. On the consumer side the popular fast casual chain announced an expansion into the chicken business, and starting today in the company's Brooklyn restaurants here in New York customers can get the new Chicken Shack.

Twinkies to go public
Twinkies are going public! After being nearly left for dead before hostess swooped in and bought the iconic snack food, the parent company will soon be traded publicly.