As if the credit market didn’t look grim enough, experts believe that it could fall even deeper into the abyss.

LONDON (CNNMoney.com) — The prospect of rating downgrades on complex debt instruments, along with massive writedowns at big banks, are raising fears that the credit crisis may deepen.

Collateralized debt obligations backed by mortgage securities are triggering another wave of worry on Wall Street. Banks have been hard-hit by a decline in the value of these securities, and investors and traders worry that more losses could result if prices fall further.  Read more here.

With some of the major markets struggling, investors can turn to other, maybe lesser known stocks, that haven’t been as affected by the credit plunge.  A look at any of the available stock picking services, like Gorilla Trades, can result in finding some stocks that have the potential to return high yields, while saving the investor time having to research for possible winners.