Like the stock market, bad news can impact the value of sports collectibles.

A career-ending injury. A major brush with the law. The onset of declining skills. Whatever generates headlines that aren’t exactly flattering to a player can have an impact on those who own his memorabilia.

In some cases, it must feel like it did to hold shares of Enron.

He’s got plenty of other stuff but one New York Times columnist who got caught up in baseball’s big blast-off is seeing the value of his collection plummet.

Autographed sports memorabilia on eBay