What type of shoes should a commuter/road biker use? I have a hybrid bike that I use for commuting (8k round trip to work). Currently, I wear low-backed converse shoes when biking.

I've been biking for about 5 months. After the first 2 months, I started getting Achilles tendon pain. I read about ankling and think that could be part of the problem. I'm also concerned it could be my shoes.

So, what type of shoes should a commuter/hybrid biker look into getting? I'm willing to spend about $100-$150.
I assume those shoes don't have cleats of any sort.

Do you currently ride without toe clips?  Adding toe clips might let you maintain a steadier foot position on the pedals.

But many regular commuters go in for cleated shoes of some sort, very often the "mountain bike"/touring style with SPD cleats/pedals because they're "walkable".

Whatever, you want a shoe with a relatively stiff sole.  Basically this means a biking shoe of some sort, perhaps the afore-mentioned "mountain bike"/touring style.