Apple ( AAPL) is sandbagging, Jim Cramer said Thursday on CNBC's "Stop Trading!" segment.

Cramer said that, given the computer giant's red-hot earnings report late Wednesday, the company's below-consensus guidance is downright "insulting." He said Apple's obvious effort to talk down expectations shows once more that "press releases, unlike hips, do lie."

Other than Apple, down $5 at $90, Cramer would generally shun tech, saying the season for buying technology stocks starts in August and runs through early January, with the annual Goldman Sachs technology conference.

Cramer wouldn't buy PPG ( PPG), down 2% at $66.50, saying the U.S. economy is "not that strong" and the Pittsburgh-based industrial giant is "not out of the woods."

At the time of publication, Cramer had no positions in stocks mentioned.

Jim Cramer is a director and co-founder of TheStreet.com. He contributes daily market commentary for TheStreet.com's sites and serves as an adviser to the company's CEO. Outside contributing columnists for TheStreet.com and RealMoney.com, including Cramer, may, from time to time, write about stocks in which they have a position. In such cases, appropriate disclosure is made. To see his personal portfolio and find out what trades Cramer will make before he makes them, sign up for Action Alerts PLUS. Listen to Cramer's RealMoney Radio show on your computer; just click here. Watch Cramer on "Mad Money" at 6 p.m. ET weeknights on CNBC. Click here to order Cramer's latest book, "Real Money: Sane Investing in an Insane World," click here to get his second book, "You Got Screwed!" and click here to order Cramer's autobiography, "Confessions of a Street Addict." While he cannot provide personalized investment advice or recommendations, he invites you to send comments on his column by clicking here.

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