It is time to put our accumulated cash back to work; the economy is too strong and companies are growing too rapidly to sit on large piles of idle, on the mistaken notion that it's safe to do so, suggests Stephen Quickel, editor of US Investment Report.

Here’s a look at some of our new ideas we are watching as potential additions to our buy list—and what we like about each:

Equinix (EQIX)

We rode the soaring shares of this global data center and cloud computing pioneer from 90 to 230 in 2011-13. After a correction to $155, it’s climbed back to $180, and with earnings expected to grow 18.4% a year, appears headed back to $230 and probably beyond. Sixteen of 20 analysts call it a Strong Buy or Buy.

Microsemi (MSCC)

An up-and-coming maker of analog and mixed-signal semiconductors for applications ranging from missile systems to pacemakers, MSCC is expected to grow earnings 27% a year. At a P/E of 9.8, its PEG is a mere 0.27.

Monsanto (MON)

In its latter-day incarnation, Monsanto is a world leader in agricultural seeds and pesticides. New products are fueling especially rapid near-term earnings growth. Up from 105 to 114 since early February, our 6-12 month target is 132.

Roadrunner Transportation Systems (RRTS)

Unlike other truckers, Roadrunner is an “asset-light” servicer of small and mid-sized customers, using network independent contractors to organize and provide less-than-truckload and customized shipments. Small-cap RRTS trades at a 14 P/E and with earnings rising close to 20% a year.

Skyworks Solutions (SWKS).

A familiar name to our portfolio, Skyworks makes chips for medical, military, wireless networking, smart phone, and tablet applications. Up from $27 to $37 in early 2014, its shares resisted the March correction, with analysts upping targets to $42-$46.

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