Investors will have another crush of earnings to sort through Tuesday, with airlines, big tech names and Dow components on the schedule. The early part of the day will include numbers from AT&T ( T), Biogen Idec ( BIIB), DuPont ( DD), JetBlue ( JBLU) and Lockheed Martin ( LMT). Also due to report are New York Times ( NYT), UPS ( UPS) and UAL ( UAUA), among others. Following the close, it will be Amazon.com ( AMZN), Altera ( ALTR), Broadcom ( BRCM), Centex ( CTX) and Juniper ( JNPR). On TheStreet.com, senior writer Vishesh Kumar will have a preview of what's in store for Amazon's numbers. So far this earnings season, the tech sector has turned in a solid performance and provided upbeat guidance. Now, the grandfather of Internet retailing is on tap to see if it can continue the momentum. Also, while two Macquarie mutual funds that invest in global infrastructure didn't provide much shelter during the recent market shakeout, columnist Roger Nusbaum says they should withstand the economic slowdown that's appearing more likely. Find out why he thinks this is the case. And everyone knows the adage that time is money. Unfortunately for most people, there's never enough of it. Personal finance expert Jeffrey Strain is here to help, and he has some tips that can aid you in regaining as much as two hours a day.