Big Nasdaq companies outperformed in last year’s broad stock market rally, and analysts are expecting more gains in 2018.

We’ll show you analysts’ favorite Nasdaq 100 stocks, while also listing the companies that analysts expect to post the largest increases in sales in 2018.

The Nasdaq 100 Index NDX, -1.29% is made up of the largest 100 companies included in the Nasdaq Composite Index COMP, -1.07% , which has more than 3,300 members.

Here’s how the total returns of these tech-heavy indices have compared with the S&P 500 Index SPX, -1.11% over the past five years:

Index 2017 2016 2015 2014 2013 Total return - five years through 2017 Nasdaq 100 33.0% 7.3% 9.8% 19.4% 36.9% 161.3% Nasdaq Composite 29.6% 8.9% 7.0% 14.7% 40.1% 147.6% S&P 500 21.8% 12.0% 1.4% 13.7% 32.4% 111.7% Source: FactSet

The Nasdaq 100 was the strongest performer in 2017 and also been the best five-year performer.

Here’s a breakdown of which Nasdaq 100 stocks performed best and worst during 2017.

What’s even more remarkable is how much sell-side analysts still love Nasdaq 100 stocks. They have majority “buy,” or equivalent, ratings on 67 Nasdaq 100 stocks, according to FactSet. In comparison, analysts have majority buy ratings on only 44% of S&P 500 companies.

There were 18 Nasdaq 100 stocks that were considered to be a “buy” by at least 85% of analysts as of the close of trading Dec. 29:

You can click the tickers for more information, including price ratios, news coverage, charts and regulatory filings.

The data make it pretty easy for investors to jump on the bandwagon. Analysts expect all of those companies to show double-digit returns this year.

Also see:Videogame stocks in 2018: Trends seem good for publishers, bad for retailers

So we thought it would be interesting to take a different look ahead, reviewing which companies analysts expect to record the greatest sales increases this year:

Here are the 13 companies that analysts expect to increase sales at least 25% in 2018:

Keep in mind that mergers can play a role in sales increases, and acquisitions can be expensive. If the acquiring company issues new shares to pay for the purchase, your sales and earnings per share can go down. So you have to do your own research as you consider investing, rather than relying on a data table.

Here are ratings summaries and price targets for this group of Nasdaq 100 companies that analysts expect to increase sales the most in 2018:

So the analysts seem to find Tesla Inc. TSLA, +4.42% , MercadoLibre Inc. MELI, +1.82% and Workday Inc. WDAY, -1.34% to be fully valued, or even overvalued, despite all the sales growth they expect this year.

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