Vicor (VICR Quick QuoteVICR - Free Report) shares ended the last trading session 6.2% higher at $90.21. The jump came on an impressive volume with a higher-than-average number of shares changing hands in the session. This compares to the stock's 2.4% gain over the past four weeks.

The increase in share price was driven by Vicor’s impressive first-quarter 2021 results. The company reported earnings of 34 cents per share that beat the Zacks Consensus Estimate by 30.8%. Moreover, revenues increased 40.1% year over year $88.8 million. Additionally, bookings increased 41.2% year over year to $98.9 million.

Price and Consensus

This modular power components company is expected to post quarterly earnings of $0.30 per share in its upcoming report, which represents a year-over-year change of +400%. Revenues are expected to be $92.43 million, up 30.6% from the year-ago quarter.

Earnings and revenue growth expectations certainly give a good sense of the potential strength in a stock, but empirical research shows that trends in earnings estimate revisions are strongly correlated with near-term stock price movements.

For Vicor, the consensus EPS estimate for the quarter has remained unchanged over the last 30 days. And a stock's price usually doesn't keep moving higher in the absence of any trend in earnings estimate revisions. So, make sure to keep an eye on VICR going forward to see if this recent jump can turn into more strength down the road.

The stock currently carries a Zacks Rank 2 (Buy). You can see the complete list of today's Zacks Rank #1 (Strong Buy) stocks here >>>>