NEW YORK ( TheStreet) -- Today's buy-and-trade earnings previews focus on 11 companies in seven sectors from A to Z with AOL ( AOL) who reports premarket on Tuesday to Zillow ( Z) which reports in afterhours trading on Tuesday along with Tesla Motors ( TSLA).The seven sectors include three stocks from the computer and technology sector, three from the oils-energy sector and one each in these sectors; auto-tires-trucks, basic materials, consumer discretionary, retail-wholesale and transportation. The ValuEngine valuation warning continues with 77.1% of all stocks being overvalued, 45.5% by 20% or more, and with 15 of 16 sectors overvalued by double-digit percentages, 11 by 20% to 27.3%.
Leapfrog ( LF) ($8.58) has been trading below its 200-day SMA at $9.40 since Oct. 8. The hold rated maker of tech-based educational toys for children traded as low as $8.42 on Sept. 4 with a semiannual pivot at $8.57 and weekly risky level at $8.75. Mosaic ( MOS) ($46.10) set a multi-year low at $39.75 on Aug. 6 and is above its 50-day SMA at $44.71 pre-earnings. The hold rated fertilizer company has a monthly value level at $42.19 with a weekly risky level at $49.06. Marathon Oil ( MRO) ($35.27) is trading just above its 50-day and 200-day SMAs at $35.17 and $34.56. The hold rated integrated oil and gas company has a weekly value at $34.85 with a monthly pivot at $35.73 and semiannual risky level at $38.02. OPEN) ($68.59) is trading between its 200-day SMA at $64.42 and its 50-day SMA at $71.88. The buy rated Internet based restaurant reservation service has a quarterly value level at $61.08 with a semiannual pivot at $69.33 and a monthly risky level at $76.88. Tidewater ( TDW) ($59.99) set a multi-year high at $63.14 on Oct. 22. The sell rated operator of fleets that serves the offshore energy industry has a semiannual value level at $56.82 with an annual pivot at $59.59 and annual risky level at $63.31. Tesla Motors ( TSLA) ($162.17) set a multi-year high at $194.50 on Sept. 30 and begins the week below its 50-day SMA at $173.08. The hold rated designer of luxury electric vehicles has a quarterly value level at $129.44 with a weekly risky level at $183.45. Zillow ( Z) ($79.83) has been below its 50-day SMA since Oct. 3. The hold rated real estate information website has a weekly value level at $75.01 with a monthly risky level at $99.23. At the time of publication the author held no positions in any of the stocks mentioned. Follow @Suttmeier This article is commentary by an independent contributor, separate from TheStreet's regular news coverage.