Don't let your hard-earned money that you invest get eaten up with fees! Check out this list of the best discount investment brokers.

Read more: Clark's investment guide

Top discount investment brokers for 2016

The 2016 Harris Poll EquiTrend study has just come out with new insights into the discount brokerages with the most brand equity.

Topping the list is Fidelity Investments Financial Services, which has been named Discount Brokerage Brand of the Year by Harris Poll for 2016.

Best Discount Investment Brokers

In second place, you have Scottrade.

Best Discount Investment Brokers

And in third place is TD Ameritrade.

Best Discount Investment Brokers

Trades are $7.95 at Fidelity, $7 at Scottrade and $9.99 at TD Ameritrade.

Who else is there to consider?

Admittedly, the Harris Poll only looked at a very small sampling of discount brokerages. So to augment this list, we turn to some of Clark's favorites through the years in no particular order...

Muriel Siebert is somewhat invisible as a discount broker, but people seem to like using it. A typical trade is $14.95.

Best Discount Investment Brokers

Charles Schwab has a very comprehensive product line as well. Schwab's typical trade is $8.95.

Best Discount Investment Brokers

And let's not forget Vanguard Brokerage Services, where your first 25 trades are $7 each, while subsequent trades are $20.

Best Discount Investment Brokers

For another perspective on the best online discount brokers, check out this list from Kiplinger's:

  • Fidelity
  • Merrill Edge
  • Charles Schwab
  • E*Trade
  • TD Ameritrade
  • Scottrade
  • Vanguard

Read more: How much money do I need to retire?