A Macy's store in Los Angeles, California, US, on Tuesday, Aug. 15, 2023.. Photographer: Eric Thayer/Bloomberg© 2023 Bloomberg Finance LPThis morning Macy’s beat quarterly earnings expectations and raised its guidance, sending its shares up dramatically in early trading.Now, some 18 months into the department store’s “Bold New Chapter,” it’s worth asking the question: Is this clear evidence that the new strategy is starting to work?Based upon what we learned today, my more charitable answer is somewhere bet ...