After a huge scare last week, the U.S. stock market seems to have shaken off a lot of concerns about the Greek debt crisis and the potential negative ripple effects it may have on global markets. After all, European leaders put together a $1 trillion bail-out package that should take care of the problem ... right?

The problem is $1 trillion might not be enough to fix everything, and there is growing doubt that European leaders will be able to make good on all of their promises.

So where does that leave you? How can you protect your portfolio if things get really bad in Europe and threaten the U.S. stock market again? The answer: look to the euro.

In the wake of the incredible volatility of recent days, we turn to several leading financial newsletter advisors, asking "Where's the market going from here?"

Here's an updated assessment -- as well as some select investment ideas -- from Elliott Gue, Richard Moroney, Nicholas Vardy, Keith Fitz-Gerald and Mike Cintolo.

We begin with Elliott Gue, editor of The Energy Strategist, who asserts, "Don't panic. Selling into a panic-driven market is one of the worst and most costly mistakes you can make as an investor. I do not believe the fundamentals justify the downside in my recommended stocks, nor do I see this ballooning into an outright crash or collapse.