Federal Reserve decisions get outsized attention in financial media, but the actual mechanics of how a rate change moves through the economy and into asset prices are often glossed over in favor of the headline number itself.

The federal funds rate directly affects short-term borrowing costs for banks, which then flows into everything from credit card rates to small business loans. Longer-term rates, including mortgage rates, respond more to expectations about future Fed policy and inflation than to the current rate itself, which is why a rate cut does not always translate immediately into cheaper mortgages.

Equity markets react to rate decisions through two main channels: the discount rate used to value future cash flows, and the relative attractiveness of bonds versus stocks. Growth stocks, whose value depends heavily on earnings many years in the future, tend to be more sensitive to rate changes than mature, cash-generative businesses.

Currency markets add another layer. Higher rates relative to other major economies tend to attract foreign capital seeking yield, which can strengthen a currency and create headwinds for exporters, even when domestic conditions otherwise look healthy.

The most common mistake investors make is treating a single rate decision as the whole story. The Fed’s forward guidance, the dot plot of future rate expectations, and the accompanying economic projections often move markets more than the decision itself, because markets price in expectations well before the announcement.

Publications that track how these policy signals interact with corporate fundamentals, such as BullScope’s coverage of the broader economy, give investors a way to connect macro decisions to the specific companies in their portfolios rather than treating rate moves as background noise.