题目做对了，还想进一步了解buffer关于股票数量的问题

NO.PZ202207040100000604 问题如下 inxing technique, the number of holngs in Manager B’s inx least likely illustrates: A.Reconstitution. B.packeting. C.buffering. SolutionReconstitutioninvolves leting names thare no longer in the inx anaing names thathave been approvenew inx members. Therefore the holngs of the funhoulalways 500. RT

NO.PZ202207040100000604 问题如下 inxing technique, the number of holngs in Manager B’s inx least likely illustrates: A.Reconstitution. B.packeting. C.buffering. SolutionReconstitutioninvolves leting names thare no longer in the inx anaing names thathave been approvenew inx members. Therefore the holngs of the funhoulalways 500. 请问为什么在packeting方法下，portfolio的股票只会比benchmark多或者相等，而buffering 下，持股多少都可以

NO.PZ202207040100000604 问题如下 inxing technique, the number of holngs in Manager B’s inx most likely illustrates: A.reconstituting. B.packeting. C.buffering. SolutionC is correct. Buffering involves establishing ranges arounbreakpoints thfine whether a stobelongs in one inx or another. Some inx provirs have aptepolicies intento limit stomigration problems ankeep trang costs low for investors who replicate inxes. Size rankings mchange ily with market primovements, so buffering makes inx transitions a more graanorrly process. long stocks remain within the buffer zone, they stin the current inx, ana result, the holngs of the funmexceethe holngs of the inx.A is incorrect. Reconstitution involves leting names thare no longer in the inx anaing names thhave been approvenew inx members. B is incorrect. Packeting involves splitting stopositions into multiple parts. For example, if a micstock’s capitalization increases anbreaches the breakpoint between the micanlarge-cinxes, a portion of the totholng is transferreto the large-cinx but the rest stays in the micinx. On the next reconstitution te if the stovalue remains large canall other qualifications are met, the remainr of the shares are moveout of the micinx into the large-cinx. 一个月了这道题答案还不修改？？？？？？？？？？？？？？？？

NO.PZ202207040100000604问题如下 inxing technique, the number of holngs in Manager B’s inx most likely illustrates:A.reconstituting.B.packeting.C.buffering.SolutionC is correct. Buffering involves establishing ranges arounbreakpoints thfine whether a stobelongs in one inx or another. Some inx provirs have aptepolicies intento limit stomigration problems ankeep trang costs low for investors who replicate inxes. Size rankings mchange ily with market primovements, so buffering makes inx transitions a more graanorrly process. long stocks remain within the buffer zone, they stin the current inx, ana result, the holngs of the funmexceethe holngs of the inx.A is incorrect. Reconstitution involves leting names thare no longer in the inx anaing names thhave been approvenew inx members. B is incorrect. Packeting involves splitting stopositions into multiple parts. For example, if a micstock’s capitalization increases anbreaches the breakpoint between the micanlarge-cinxes, a portion of the totholng is transferreto the large-cinx but the rest stays in the micinx. On the next reconstitution te if the stovalue remains large canall other qualifications are met, the remainr of the shares are moveout of the micinx into the large-cinx. 如题，数量＞inx.到底是packeting 还是buffering 也可以，历史老师的回答不一致，烦请详细解析，谢谢，另外建议及时修改错题