Sterling’s strength doesn’t mean the economy is back in rude health
Foreign exchange traders have their own arcane vernacular. Amid references to “loonies” (Canadian dollars), “gopher” (the American dollar/yen pair) and “Barney” (for the US dollar/ruble), you’ll hear plenty of chatter about “cable” — slang for the British pound/US dollar currency pair, drawing its name from the 1800s when the exchange rate was communicated via a…