日本央行加息，日元走强。日本央行已将短期利率上调至0.5%，为17年来的最高水平。虽然这一举措是意料之中的，但货币市场的反应是日元大幅走强，美元/日元下跌约0.6%。

Bank of Japan Raises Rates, Yen Strengthens.The Bank of Japan (BOJ) has raised short-term interest rates to 0.5%, the highest level in 17 years. While this move was anticipated, the currency market responded with a significant strengthening of the yen, with USD/JPY falling by approximately 0.6%.

日本财务大臣表示，日本央行今天的决定符合联合政府协议。他还指出，日本央行的决定并没有导致市场“大幅波动”。好吧，我想，现在每个决定之前的“漏洞”肯定会在某种程度上帮助市场参与者管理他们的期望。

Japan finance minister says BOJ decision today was in line with joint government accord.He also noted that the BOJ decision did not cause "big moves" in markets. Well, the "leaks" before each decision now definitely go some ways in terms of helping market players to manage their expectations I guess.

日本央行公布预期加息，上调核心通胀预测。正如普遍预期的那样，日本央行将无担保隔夜拆借利率上调25个基点至0.50%，为2008年以来的最高水平。该决定以8票赞成、1票反对的结果做出，董事会成员中村丰明表示反对，他主张将投票推迟到3月。

BoJ delivers expected rate hike, upgrades core inflation forecasts.BoJ raised its uncollateralized overnight call rate by 25bps to 0.50% as widely expected, marking the highest level since 2008. The decision, made by an 8-1 vote, saw dissent from board member Nakamura Toyoaki, who advocated for a delay until March.

日经225指数微幅下跌0.07%，收于39932点，而更广泛的东证指数周五下跌0.03%，收于2751点，结束了日本央行根据预期将利率上调25个基点至0.5%后的四天连胜。加息使短期借贷成本达到16年来的最高水平。央行还预测，通胀将在预测期的下半年达到2%的目标，这表明有可能进一步加息。在经济方面，日本核心通胀率在12月飙升至3%的16个月高点，强化了日本央行决定背后的理由。跌幅显著的包括迪斯科公司（-6.7%）、软银集团（-1.8%）、东京电子（-1.1%）、丰田汽车（-1.5%）和日本电产（-3.2%）。尽管周五有所下跌，但日经指数和东证指数本周分别上涨3.85%和2.67%。

The Nikkei 225 Index edged down 0.07% to close at 39,932, while the broader Topix Index fell 0.03% to 2,751 on Friday, ending a four-day winning streak after the Bank of Japan raised interest rates by 25 basis points to 0.5%, in line with expectations. The rate hike brought short-term borrowing costs to their highest level in 16 years. The central bank also projected that inflation would reach its 2% target in the second half of its forecast period, signaling the possibility of further rate increases. On the economic front, Japan’s core inflation rate surged to a 16-month high of 3% in December, reinforcing the rationale behind the BOJ’s decision. Notable decliners included Disco Corp (-6.7%), SoftBank Group (-1.8%), Tokyo Electron (-1.1%), Toyota Motor (-1.5%), and Nidec (-3.2%). Despite Friday’s decline, both the Nikkei and Topix indexes posted gains of 3.85% and 2.67%, respectively, for the week.