If you've been wondering why your bond portfolio feels like it's stuck in a down elevator, Wednesday's action in the Treasury market offers a clue. The 10-year yield jumped six basis points to 4.85%, a level not seen since October 2023. The culprit? Brent crude oil trading above $100 a barrel, which is reviving the kind of inflation worries that make bond investors nervous.

Interestingly, the move stuck even after the Treasury Department said it would triple Thursday's buyback to $6 billion of off-the-run notes and bonds. That's a bit like throwing a life preserver to someone who's already decided to swim.

The pain wasn't confined to the long end. The 2-year yield rose to 4.43%, while the 30-year sits at 5.30%. For context, the iShares 7-10 Year Treasury Bond ETF (IEF) has dropped 5% this year. Ouch.

All eyes are now on the Federal Open Market Committee (FOMC) meeting on Sept. 16. Traders are pricing in roughly a 60% chance of a 25-basis-point hike. That's not a slam dunk, but it's a clear signal that the market thinks the Fed's inflation fight isn't over.

So what does this mean for you? Rising yields typically translate to higher borrowing costs and can put pressure on stocks, especially growth names. But for savers, it's not all bad news—higher yields mean better returns on cash and short-term bonds. Just don't expect the 10-year to turn friendly anytime soon.