Analysts usually upgrade their earnings estimates for high-momentum stocks more than low-momentum stocks, creating an overly bullish sentiment among investors that could often make the high-momentum stocks very crowded. That behavior has moderated over recent months, noted McCarthy, and the momentum strategy has become less crowded since the fourth quarter last year, though still above historical levels.


When you've been approved for margin stock trading, you're also eligible to short stock. Almost every successful stock trader has shorted stock at one time or another. When you short stock, you make money when the company's shares fall—or, even better yet, when they crash. The problem is that you can expose yourself to unlimited liability when you do this. 
Investors should consider the investment objectives and unique risk profile of Exchange Traded Funds (ETFs) carefully before investing. ETFs are subject to risks similar to those of other diversified portfolios. Leveraged and Inverse ETFs may not be suitable for all investors and may increase exposure to volatility through the use of leverage, short sales of securities, derivatives and other complex investment strategies.

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The Equity Summary Score is provided for informational purposes only, does not constitute advice or guidance, and is not an endorsement or recommendation for any particular security or trading strategy. The Equity Summary Score is provided by StarMine from Refinitiv, an independent company not affiliated with Fidelity Investments. For more information and details, go to Fidelity.com.


The solution to both is investing in stock index funds and ETFs. While mutual funds might require a $1,000 minimum or more, index fund minimums tend to be lower (and ETFs are purchased for a share price that could be lower still). Two brokers, Fidelity and Charles Schwab, offer index funds with no minimum at all. Index funds also cure the diversification issue because they hold many different stocks within a single fund.

Wald says refiners are the best group within the energy sector, and Marathon Petroleum has significant long-term momentum following a breakout above $60 in late 2017. In addition to its positive momentum, Marathon recently raised its dividend by 15 percent and now yields about 2.1 percent. Even at its current payout, the stock’s relatively low 21 percent payout ratio suggests more hikes could be on the way in the near future. Marathon also recently diversified away from its Gulf-Coast-centric operations by acquiring Andeavor (ANDV) and its West Coast and Rocky Mountains assets for $23 billion.