Stocks' positive momentum muted ahead of data

Wall Street may put on the brakes following Monday's surge, and while U.S. stock futures still edged higher this morning, it wasn't in the same magnitude.

[Update: Futures have been mixed, indicating a similar opening.]

The General Motors' bankruptcy story continued to dominate the headlines, but the Street's attention may once again return to the economy on continued hopes for a recovery.

More here: Before the bell: Wall Street puts on the brakes ahead of data