Transplanted my tomatoes into 7-gallon grow bags on Sunday of last week (8 days ago).

• DIY potting mix w/ approximately equal parts store bought garden soil, peat/coco mix, and compost, w/ a few handfuls of perlite and a touch of granulated all purpose fertilizer mixed in.
• Mid-Atlantic region of the US (zone 7). They currently sit on my back porch, which faces northeast and gets about 4 hours of direct sunlight per day before they're in the shade. Weather has been mostly sunny w/ highs in the upper 80s to lower 90s.
• I watered them right after transplanting plus two more times since then (no fertilizer, just straight from the tap or hose), so about every third day.

Is this transplant shock or do I have some other problem? I've tried following this guide (Why Your Tomato Leaves Have Brown Tips), but since the brown tips affect all the leaves (oldest and youngest), I'm unsure of the most likely issue, so in the absence of a clear indicator I'll likely just keep doing what I'm doing and hope for the best.

Thanks in advance!

EDIT: Clarified some things and fixed a few typos.