NEW YORK ( TheStreet) -- Today's buy-and-trade earnings previews cover three companies from the multi-sector conglomerates sector, two from the finance sector and one each in the industrial products and oils-energy sectors.The ValuEngine valuation warning continues with 77.8% of all stocks being overvalued, 44.2% by 20% or more. 15 of 16 sectors are overvalued 13 by double-digit percentages, nine by 21.3% to 25.8%. The multi-sector conglomerate sector is 19.2% overvalued with an equal-weight rating. 74.5% of the 51 stocks in this sector have hold ratings. The finance sector is 19.4% overvalued with an equal-weight rating. 80.9% of the 3061 stocks in this sector have hold ratings. The industrial products sector is 22.8% overvalued with an underweight rating with 40.5% of the 351 stocks in this sector have sell or strong sell ratings.