By Timothy Puko NEW YORK–Natural gas prices hit their highest closing price in four weeks Wednesday as traders worried about how quickly producers are refilling depleted stockpiles. Prices for the front-month July contract settled up 1.1 cents, or 0.2%, at $4.64 a million British thermal units on the New York Mercantile Exchange, a level not seen since early May. Wall Street analysts and brokers on Wednesday predicted the gas producers made the year’s largest addition to storage last week, but that wasn’t enough to convince the market that prices will drop. The forecast of a 117-billion-cubic-feet surplus is 26% better than average for this time of year, but traders want to see record additions before they will sell, said Tom Saal, a broker at INTL FCStone Latin America in Miami. “Until we see an injection of … biblical proportions, the market is still not going to be convinced …” […]