Cirrus Logic, Inc. (CRUS)

While valuations are clearly very high for many tech names, investor euphoria might not go away until news flow meaningfully worsens.

These names are showing both technical and quantitative deterioration.

The answer to that question depends on several factors, so let's break them down.

A wide variety of tech companies are likely to see their March-quarter sales hurt by the coronavirus outbreak's impact on Chinese demand and/or manufacturing.

There is no political will on either side of the aisle to address ever expanding deficits.

It may not be too late to take part in the positive market action on semiconductor stocks, but be cautious. Here is how things stand.

This is a market that thrives on certainty. We got it Friday.

Wearables shipments are now growing at a sky-high rate, and a slew of companies are getting a lift from their exposure to the space.

Beijing is intent on reducing its dependence on American hardware, software and chips. But reducing it and eliminating are two very different things.

There's still some value to be found in the sector. But a lot of the easy money has definitely been made.

Though major chip suppliers shared both good and bad news in October, on the whole the positives outweighed the negatives.

It's all because some stocks are more powerful than others and the aberrations are to the downside. Not the upside.

The chip manufacturing giant issued strong Q4 sales guidance, offered upbeat remarks about 2020 5G phone demand and hiked its capital spending budget.

STMicroelectronics and Sony each appear to be supplying four chips for Apple's latest flagship iPhones. Many other historical iPhone suppliers also make appearances in the latest teardowns.

Here are the other companies that will get a boost from pushing the tax on imports to mid-December.

The chip manufacturing giant issued upbeat Q3 sales guidance and forecast this year's capital spending will be at the high end of a prior guidance range.

A well-connected analyst just raised his 2019 estimates for Samsung's flagship phone line, citing better-than-expected demand in China and elsewhere.

Samsung's latest flagship phones contain meaningful hardware improvements, and reviews have been pretty good. They're unlikely to be smash hits, but demand could be better than feared.

These 'Bearish Bets' are showing both technical and quantitative deterioration.

It's going to be one hectic week.

Today they are reversing and it is all about the bold Micron upgrade from BMO Capital.

The company's recent sales challenges have less to do with pricing for its new flagship iPhones than with breaking from its traditional formula of keeping the prior year's flagship iPhone around at a discount.

Despite putting hardliner Lighthizer in charge of talks, Trump did not raise tariffs -- so don't believe all the bear hype around trade discussions.

These names are showing bullish or bearish reversal patterns over the past week.