General Motors and Facebook Headline Wednesday's Earnings

NEW YORK ( TheStreet) -- Today's buy-and-trade earnings previews focus on General Motors ( GM) which reports premarket Wednesday and Facebook ( FB) which reports in afterhours Wednesday.

We look at nine companies in seven sectors; three from the computer and technology sector and one each in these sectors; autos-tires-trucks, business services, construction, consumer discretionary, oils-energy and transportation.

The ValuEngine valuation warning remains in place with 77.8% of all stocks being overvalued, 47.28% by 20% or more. 15 of 16 sectors are overvalued by double-digit percentages, 11 by 21% to 27.2%.

The auto-tires-trucks sector is 26.5% overvalued with an underweight rating. Of the 96 stocks in this sector 40.6% have sell or strong sell ratings.

The business services sector is 25.5% overvalued with an equal-weight rating. Of the 236 stocks in this sector 61.4% have hold ratings.

The computer and technology sector is 24.4% overvalued with an overweight rating. Of the 1153 stocks in this sector 48% have buy or strong buy ratings.

The construction sector is 18.5% overvalued with an underweight rating. 55.7% of the 158 stocks in this sector have sell or strong sell ratings.

The consumer discretionary sector is 26.2% overvalued with an equal-weight rating. Of the 400 stocks in this sector 83% have hold ratings.

The oils-energy sector is 10.5% overvalued with an underweight rating. Of the 553 stocks in this sector 32% have sell or strong sell ratings.

The transportation sector is 26.3% overvalued with an 'avoid-source of funds rating. Of the 176 stocks in this sector 73.3% have sell or strong cell ratings.
Read: HED-HERE

Only two of the nine stocks in today's table have buy ratings. Five have hold ratings and two have sell ratings. My headline stocks are undervalued by 7.2% and 4.3%, while six are overvalued by 21.7% to 61.2%. One is down 38.0% over the last 12 months, while seven have gains between 22.6% and 643.4%. Only one stock is below its 200-day simple moving average with eight above which reflects the risk of reversion to the mean.

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