Memory, radio frequency suppliers rise as Trump allows companies to continue to sell to Huawei;Trump accuses China and Europe of currency manipulation; and more.

Northcoast analyst Tom Hayes downgraded all three stocks: IPGP, COHR and LASR to Neutral as he sees considerable headwinds remaining in place.

Despite the slide, the outlook for the sector is promising. This is especially true as the tech sector appears fully emerged from the burst of the dot-com bubble.

There comes a time where markets get extended away from the 50-day average. That's where shorter-term moving averages come into play.

There comes a time where markets get extended away from the 50-day average. That's where shorter-term moving averages come into play.

Today's watch-list includes: Scientific Games, IPG Photonics, KB Homes, First Solar and NVR Inc.

The stock market yesterday was quite good with the FANG names leading the charge along with commodities.

The Nasdaq Composite (IXIC) has been one of the top-performing indices in 2017 with more than 27% return as of Dec 13. We note that robust performance from the technology sector has been the driving factor.

My watch-list today includes: Take-Two Interactive, IPG Photonics, Cognex, First Solar and NVR.

There are a number of great companies in the market today. We selected the five undervalued companies for value investors with the highest beta: LNC, STX, IPGP, WHR and IVZ.

IPG Photonics is a leading company in a growing market. The company has recorded substantial growth in the last few years, and considering its valuation metrics; the stock is pretty cheap.

The Dow Jones Industrial Average today lost more than 254 points thanks to another broad sell-off and concerns about global economic growth.

Even here we occasionally make some long suggestions: 17 stocks to watch

Welcome to edition 234 of Insider Weekends. In a week where we saw the Dow post its biggest weekly decline since 2011, insider buying more than quadrupled with insiders buying $190.94 million of stock compared to $44.02 million in the week prior.

It is important to examine the prospects of IPGP and how it is shaping up for the future. IPGP is in a unique sector, and it is currently performing very well.