In the first trading session after the Christmas holiday, the major indices moved slightly to the upside with retailers leading the way.
People no longer believe in stocks, says Cramer, who says people see them as untrustworthy and "not a legitimate asset class."
Consumers grew more confident about the economy in July, The Conference Board reported on Tuesday, as expectations built for the recovery.
Though Wall Street awaits the Fed's policy announcement, it's not the "biggest wildcard" this week, says one investment pro.
Robert Shiller told CNBC that while home prices are falling only slightly, "there's some clear evidence of a weakening."
Twitter will face some tough scrutiny from investors when it reports earnings after the bell on Tuesday.
Carl Quintanilla is an Emmy-winning reporter and co-anchor of CNBC's "Squawk on the Street," broadcast live from the NYSE.
Simon Hobbs co-anchors the 10 a.m. hour of CNBC's "Squawk on the Street" live from the New York Stock Exchange.
Jim Cramer is host of CNBC's "Mad Money" and co-anchor of the 9 a.m. ET hour of CNBC's "Squawk on the Street."
“Squawk on the Street” Co-Anchor
Rick Santelli joined CNBC Business News as an on-air editor in 1999, reporting live from the floor of the Chicago Board of Trade.