S&P 500 Index slightly faded on Tuesday as US reported lower than expected consumer confidence amid declining home prices. US benchmark gave up 0.05% or 0.6 points and closed at 1,312.41, pushed down by energy shares. Mattel Inc. gained 5% after reporting strong results from 4th quarter, lifted by robust demand for Barbie and Monster High dolls. US Steel Corp. surged 5% on higher demand for pipes in last quarter. Best Buy Co. Inc lost 5.6% after posting disappointing quarterly results. On monthly basis the index performed well, adding 4.4%.