For today's edition of our upgrade list, we used our website's advanced screening functions to search for UPGRADES to BUY or STRONG BUY with complete forecast and valuation data. They are presented by one-month forecast return. MasTec, Inc. (MTZ ) is our top-rated upgrade this week and it is a STRONG BUY. Applied Optoelectronics (AAOI) is also a STRONG BUY stocks. The other picks this week--TransAct Technologies (TACT), Protein Design Labs Biopharma (PDLI ), and Greenlight Capital (GLRE ) are BUY-rated stocks.

For today's bulletin, we take a look at our top-ranked STRONG BUY upgrade, MasTec Inc (MTZ). MasTec Inc is one of the largest providers of construction services to the telecommunications industry in the United States. The Company's principal business consists of the installation and maintenance of aerial, underground and buried copper and fiber optic cable, underground conduit, manhole systems and relatessed construction for local telephone companies, including Regional Bell Operating Companies such as BellSouth Telecommunications, Inc., U.S. West, Inc. and SBC Communications, Inc., and non-Bell local telephone companies such as Sprint Corp., and GTE Corp.

MasTec reported Q2 2017 earnings last week and the results were impressive. The company reported revenue of $1.89 billion, a 53% increase in revenue compared with $1.23 billion for the same period last year, exceeding the Company's previously announced second quarter 2017 expectation by $390 million. COmpany CFO George Pita said that MasTec "significantly exceeded our second quarter expectations in our Oil & Gas segment, including acceleration of some second half 2017 project activity, and are pleased to be in the position of increasing our 2017 guidance to new record levels."

Jose Mas, MasTec's Chief Executive Officer, noted that the:

second quarter performance significantly exceeded our expectations primarily due to record levels of Oil & Gas project activity, with segment revenues at $1.1 billion, a 168% increase over last year's second quarter level. Our current performance, coupled with significant opportunities for future growth across all of our segments, position us well for continued long-term growth.

Below is our latest data for MasTec Inc (MTZ):

ValuEngine updated its recommendation from BUY to STRONG BUY for MasTec Inc on 2017-08-04. Based on the information we have gathered and our resulting research, we feel that MasTec Inc INC has the probability to OUTPERFORM average market performance for the next year. The company exhibits ATTRACTIVE Momentum and P/E Ratio.

Valuation & Rankings
Valuation	10.94% undervalued	Valuation Rank(?)	74
1-M Forecast Return	1.11%	1-M Forecast Return Rank	99
12-M Return	75.83%	Momentum Rank(?)	93
Sharpe Ratio	0.59	Sharpe Ratio Rank(?)	78
5-Y Avg Annual Return	21.26%	5-Y Avg Annual Rtn Rank	88
Volatility	35.74%	Volatility Rank(?)	45
Expected EPS Growth	-29.75%	EPS Growth Rank(?)	7
Market Cap (billions)	3.51	Size Rank	78
Trailing P/E Ratio	14.38	Trailing P/E Rank(?)	81
Forward P/E Ratio	20.47	Forward P/E Ratio Rank	33
PEG Ratio	n/a	PEG Ratio Rank	n/a
Price/Sales	0.66	Price/Sales Rank(?)	79
Market/Book	3.05	Market/Book Rank(?)	40
Beta	1.41	Beta Rank	22
Alpha	0.46	Alpha Rank	93