PARIS (AP) — A hike in the cost of wheat is alarming French households who fear a possible rise in the price of the prized baguette, seen by many as a barometer of the country’s economic health. Many boulangeries around France are putting up signs, warning customers that the long, crunchy staple could be going up in price by 3 to 5 centimes (4 to 6 cents), from its average of about 89 centimes (just over $1). “Although that might not seem like a lot, it’s a huge increase. The baguette is precious. It has only gone up 23 centimes...